package facade;

/**
 * @author wcj
 * @Date 2021/6/26 21:20
 * @Version 1.0
 */
public class NationalDebt {

    public void buy() {
        System.out.println("国债买入......");
    }

    public void sell() {
        System.out.println("国债卖出......");
    }
}
